N80C251SQ16 Intel, N80C251SQ16 Datasheet - Page 18

• Manufacturer Part Number: N80C251SQ16
• Description: IC MPU 8-BIT 5V 16MHZ 44-PLCC
• Manufacturer: Intel
• Series: 80Cr

Specifications of N80C251SQ16

• Rohs Status: RoHS non-compliant
• Core Processor: MCS 251
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SIO
• Peripherals: PWM, WDT
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-PLCC
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Other names: 804459

18
8XC251SA/SB/SP/SQ HIGH-PERFORMANCE CHMOS MICROCONTROLLER
All other 8XC251SA/SB/SP/SQ pins are unconnected.
70
60
50
40
30
20
10
0
1
2
Figure 5. I
3
(NC)
4
PD
Test Condition, Powerdown Mode, V
5
Figure 6. I
Frequency at XTAL (MHz)
RST
XTAL2
XTAL1
V
6
SS
8XC251SQ
8XC251SA
8XC251SB
8XC251SP
CC
7
vs. Frequency (Mhz)
8
V
EA#
P0
9
CC
10
V
CC
11
I
PD
CC
= 2.0 – 5.5V
12
V
PRELIMINARY
CC
13
14
15
A4400-01
A4208-01
16